STEELS CLASSED | TYPICAL COMPOSITION | INTERNATIONAL DESIGNATIONS | MECHANICAL PROPERTIES AT 20°C -MINIMUM VALUES (Mpa) | CORROSION RESISTANCE | COLD FORMABILITY | WELDABILITY | ||||||||||||||
FAMILY | GRADE | C | Cr | Ni | Mo | OTHER | AISI | EN 10088 NUMBER | EN 10088 NAME | Rp 0.2 0.2 % YIELD | Rp 1 1 % YIELD | Rm TENSILE STRENGTH | A50 ELONGATION | GENERAL | PITTING | SCC | HEAT RESISTANCE | |||
FERRITIC | CHROMIUM | 410 S | 0.03 | 12.5 | - | - | - | 410S | 1.4000 | X6Cr13 | 250 | - | 415 | 20 | ○ | ○ | + | ○ | + | + |
STR 12 | 0.02 | 11 | 0.5 | - | - | - | 1.4003 | X2CrNi12 | 320 | 340 | 450 | 20 | ○ | ○ | + | ○ | ++ | ++ | ||
409 | 0.01 | 11.5 | - | - | Ti=0.2 | 409 | 1.4512 | X2CrTi12 | 220 | - | 400 | 30 | ○ | ○ | + | ○ | +++ | ++ | ||
409 Li | 0.01 | 11.5 | - | - | Ti=0.2 | 409 | 1.4512 | X2CrTi12 | 220 | 240 | 390 | 30 | ○ | ○ | + | ○ | +++ | ++ | ||
430 | 0.05 | 16.3 | - | - | 430 | 1.4016 | X6Cr17 | 270 | - | 450 | 20 | + | + | ++ | + | +++ | + | |||
430 Ti | 0.02 | 16.5 | - | - | Ti=0.35 | - | 1.4520 | X2CrTi17 | 280 | - | 450 | 24 | + | ++ | ++ | + | +++ | ++ | ||
439-439 M | 0.02 | 16-18 | - | - | Ti+Nb | 439 | 1.4510 | X3CrTi17 | 280 | - | 450 | 24 | + | ++ | ++ | + | +++ | ++ | ||
430 Nb | 0.02 | 16.5 | - | - | Nb=0.35 | - | 1.4511 | X3CrNb17 | 280 | - | 450 | 24 | + | + | ++ | + | ++ | ++ | ||
441 Li | 0.02 | 18 | - | - | Nb,Ti | - | 1.4509 | X2CrTiNb18 | 260 | - | 450 | 28 | + | ++ | ++ | ++ | ++ | ++ | ||
CHROMIUM MOLYBDENUM | 434 | 0.04 | 17 | - | 0.9 | - | 434 | 1.4113 | X6CrMo17-1 | 370 | - | 540 | 27 | ++ | ++ | + | ||||
436 Li | 0.02 | 18 | - | 1.2 | Ti, N | - | 1.4513 | X2CrMoTi17-1 | 290 | - | 450 | 27 | ++ | ++ | ++ | + | +++ | ++ | ||
444 | 0.02 | 18 | - | 2.1 | N+Ti | - | 1.4521 | X2CrMoTi18-2 | 300 | - | 420 | 28 | +++ | +++ | +++ | + | +++ | ++ | ||
MARTENSITIC | 420 | 0.45 | 13 | - | - | - | 420 | 1.4034 | X46Cr13 | 340 | - | 600 | 24 | + | + | + | + | ○ ○ ○ | ○ ○ ○ | |
420 J2 | 0.35 | 13 | - | - | - | 420 | 1.4028 | X30Cr13 | 300 | - | 550 | 25 | ○ | ○ | ○ | ○ | ○ | ○ | ||
AUSTENITIC | CHROMIUM NICKEL | 304 | 0.05 | 18.3 | 8.1 | - | - | 304 | 1.4301 | X5CrNi18-10 | 235 | 265 | 550 | 45 | ++ | ++ | ○ | ++ | ++ | +++ |
304 MS | 0.05 | 18.3 | 8.6 | - | - | 304 | 1.4301 | X5CrNi18-10 | 235 | 265 | 550 | 45 | ++ | ++ | ○ | ++ | +++ | +++ | ||
304 PS | 0.05 | 18.3 | 9 | - | - | 304 | 1.4301 | X5CrNi18-10 | 235 | 265 | 550 | 45 | ++ | ++ | ○ | ++ | +++ | +++ | ||
304L | 0.03 | 18.3 | 10 | - | - | 304L | 1.4306 | X2CrNi19-11 | 235 | 265 | 520 | 45 | ++ | ++ | ○ | ++ | +++ | +++ | ||
301 | 0.08 | 17 | 7 | - | - | 301 | 1.4310 | X10CrNi18-8 | 250 | 290 | 600 | 40 | + | + | ○ | ++ | ++ | ++ | ||
301LN | 0.025 | 17.3 | 6.7 | - | N=0.14 | - | 1.4318 | X2CrNi18-7 | 330 | 370 | 690 | 40 | ++ | ++ | ○ | ++ | ++ | +++ | ||
321 | 0.05 | 17.3 | 9.2 | - | Ti=0.35 | 321 | 1.4541 | X6CrNiTi18-10 | 245 | 275 | 540 | 45 | ++ | ++ | ○ | ++ | ++ | +++ | ||
CHROMIUM NICKEL MOLYBDENUM | 316 | 0.05 | 17 | 10.7 | 2.2 | - | 316 | 1.4401 | X5CrNiMo17-12-2 | 255 | - | 550 | 45 | +++ | +++ | ○ | + | ++ | +++ | |
316L | 0.02 | 17 | 11.2 | 2.2 | - | 316L | 1.4404 | X2CrNiMo17-12-2 | 255 | - | 550 | 45 | +++ | +++ | ○ | + | +++ | +++ | ||
316LT | 0.02 | 17 | 11.2 | 2.2 | S=0.015 | 316L | 1.4404 | X2CrNiMo17-12-2 | 255 | - | 550 | 45 | +++ | +++ | ○ | + | +++ | +++ | ||
316SLD | 0.02 | 17.5 | 13 | 2.8 | - | 316L | 1.4435 | X2CrNiMo18-14-3 | 255 | - | 550 | 45 | ++++ | ++++ | ○ | + | +++ | +++ | ||
316Ti | 0.04 | 17 | 11 | 2.2 | Ti=0.35 | 316Ti | 1.4571 | X6CrNiMoTi17-12-2 | 240 | - | 540 | 40 | +++ | +++ | ○ | + | ++ | +++ | ||
HEAT RESISTANCE | 304H | 0.06 | 18.3 | 8.7 | - | N=0.10(max) | 304H | 1.4948 | X6CrNi18-10 | 235 | 265 | 550 | 45 | ++ | ○ | ++ | ++ | +++ | ||
321H (*) | 0.05 | 17.3 | 9.2 | - | Ti=0.35 | 321H | 1.4878 | X8CrNiTi18-10 | 210 | 230 | 500 | 40 | ++ | ○ | ++ | ++ | ++ | |||
4828 | 0.05 | 19.3 | 11.2 | - | Si=2 | - | (1.4828) | 230 | 260 | 550 | 35 | + | ○ | +++ | + | +++ | ||||
309S (*) | 0.05 | 23 | 13.5 | - | - | 309S | 1.4833 | X12CrNi23-13 | 210 | 250 | 500 | 33 | ++ | ○ | +++ | + | +++ | |||
310(*) | 0.05 | 25 | 20 | - | Si=0.6 | 310S | (1.4845) | X8CrNi25-21 | 210 | 250 | 500 | 33 | ++ | ○ | ++++ | + | ++ | |||
* chemical composition and mechanical proporties accorting to EN 10095 | ○ non applicable/not required | ○ ○ ○ Difficult | + acceptable resistance | ++ Good | +++ Excellent | ++++ Designed to improve this property | ||||||||||||||